Commercial Pitot Tube
upstream and downstream of the tube. Permanent mountings are particularly
attractive when repeated readings will be made but other meters are too
4. LIMITATIONS. The use of a pitot tube meter at a specific location may be
limited by the following requirements:
clean fluids can be measured.
recommended minimum length of straight pipe is required.
is susceptible to errors when metering an undeveloped or
disrupted flow profile.
is limited to 537C (1,000F).
limit is 6,000 psig.
is limited to approximately 3:1. (Range can be increased by
stacking dp transmitters.)
5. INSTALLATION. Figures 5-13 through 5-16 illustrate a variety of pitot
tube installations. The static pressure tap can be located either on the pipe
or duct or be incorporated in the pitot tube itself. The pitot tube is